25674640

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{659}}^1$

素因数の和:1159

約数の個数: 40

約数和(自身を含む): 59906880

約数和(自身を除く): 34232240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 659, 974, 1318, 1948, 2435, 2636, 3295, 3896, 4870, 5272, 6590, 7792, 9740, 10544, 13180, 19480, 26360, 38960, 52720, 320933, 641866, 1283732, 1604665, 2567464, 3209330, 5134928, 6418660, 12837320, 25674640]

約数ペア:

[(1, 25674640), (2, 12837320), (4, 6418660), (5, 5134928), (8, 3209330), (10, 2567464), (16, 1604665), (20, 1283732), (40, 641866), (80, 320933), (487, 52720), (659, 38960), (974, 26360), (1318, 19480), (1948, 13180), (2435, 10544), (2636, 9740), (3295, 7792), (3896, 6590), (4870, 5272)]